Catasetum
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Authority
Mori, S. A., et al. 1997. Guide to the vascular plants of central French Guiana: Part 1. Pteridophytes, gymnosperms, and monocotyledons. Mem. New York Bot. Gard. 76: 1-422.
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Family
Orchidaceae
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Scientific Name
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Description
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Genus Description - Epiphytes, terrestrials or lithophytes with prominent, clustered, fusiform pseudobulbs enveloped by persistent imbricate leaf sheaths. Roots vermiform, white. Leaves several per pseudobulb, distichous, plicate, articulate, deciduous. Inflorescences erect, arching, or pendent racemes produced from base of pseudobulbs. Flowers few to many, often showy, unisexual; sepals and petals free, subequal, fleshy or membranous; staminate flowers usually resupinate, often conspicuously colored, on arching to pendent raceme, the lip fleshy to membranous, spreading, concave to galeate, variable on margins, the column erect, footless, with paired, asymmetric, antenna-like trigger processes, without functional stigmatic surface, the pollinia 2, waxy, sulcate, ejected with force; pistillate flowers not resupinate, usually few on erect raceme, the lip extremely fleshy, galeate, sessile, the column short, stout, without trigger processes, with a functional slit-like stigmatic surface.